Finding the Fourth Proportional to 51,036.53, 76,549.84 and 15,498.15

Step by Step Solution

1. Step 1: Write the proportion equation
   51,036.53 : 76,549.84 = 15,498.15 : x
2. Step 2: Convert to fraction form
   51,036.53/76,549.84 = 15,498.15/x
3. Step 3: Cross multiply
   51,036.53x = 76,549.84 × 15,498.15
4. Step 4: Simplify right side
   51,036.53x = 1,186,380,825.31
5. Step 5: Solve for x
   x = 1,186,380,825.31/51,036.53
6. Step 6: Final answer
   x = 23,245.72